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khanat-opennel-code/code/nel/src/3d/stereo_ovr_04.cpp
kaetemi 38abf2193f Project client loading screens into 3D space for HMD 
--HG--
branch : multipass-stereo
2014-08-07 18:49:05 +02:00

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/**
* \file stereo_ovr.cpp
* \brief CStereoOVR
* \date 2014-08-04 16:21GMT
* \author Jan Boon (Kaetemi)
* CStereoOVR
*/
/*
* Copyright (C) 2014 by authors
*
* This file is part of NL3D.
* NL3D is free software: you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* NL3D is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
* Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with NL3D. If not, see
* <http://www.gnu.org/licenses/>.
*
* Linking this library statically or dynamically with other modules
* is making a combined work based on this library. Thus, the terms
* and conditions of the GNU General Public License cover the whole
* combination.
*
* As a special exception, the copyright holders of this library give
* you permission to link this library with the Oculus SDK to produce
* an executable, regardless of the license terms of the Oculus SDK,
* and distribute linked combinations including the two, provided that
* you also meet the terms and conditions of the license of the Oculus
* SDK. You must obey the GNU General Public License in all respects
* for all of the code used other than the Oculus SDK. If you modify
* this file, you may extend this exception to your version of the
* file, but you are not obligated to do so. If you do not wish to do
* so, delete this exception statement from your version.
*/
#ifdef HAVE_LIBOVR
#include "std3d.h"
#include <nel/3d/stereo_ovr_04.h>
// STL includes
#include <sstream>
// External includes
#define OVR_NO_STDINT
#include <OVR.h>
// NeL includes
// #include <nel/misc/debug.h>
#include <nel/3d/u_camera.h>
#include <nel/3d/u_driver.h>
#include <nel/3d/material.h>
#include <nel/3d/texture_bloom.h>
#include <nel/3d/texture_user.h>
#include <nel/3d/driver_user.h>
#include <nel/3d/u_texture.h>
// Project includes
using namespace std;
// using namespace NLMISC;
namespace NL3D {
namespace {
#include "stereo_ovr_04_program.h"
class CStereoOVRSystem
{
public:
CStereoOVRSystem() : m_InitOk(false)
{
}
~CStereoOVRSystem()
{
if (m_InitOk)
{
nlwarning("OVR: Not all resources were released before exit");
Release();
}
}
bool Init()
{
if (!m_InitOk)
{
nldebug("OVR: Initialize");
m_InitOk = ovr_Initialize();
nlassert(m_InitOk);
}
return m_InitOk;
}
void Release()
{
if (m_InitOk)
{
nldebug("OVR: Release");
ovr_Shutdown();
m_InitOk = false;
}
}
private:
bool m_InitOk;
};
CStereoOVRSystem s_StereoOVRSystem;
sint s_DeviceCounter = 0;
uint s_DetectId = 0;
}
class CStereoOVRDeviceFactory : public IStereoDeviceFactory
{
public:
uint DeviceIndex;
uint DetectId;
bool DebugDevice;
ovrHmdType DebugDeviceType;
IStereoDisplay *createDevice() const
{
CStereoOVR *stereo = new CStereoOVR(this);
if (stereo->isDeviceCreated())
return stereo;
delete stereo;
return NULL;
}
};
static NLMISC::CVector2f toTex(NLMISC::CVector2f texCoord, NLMISC::CVector2f uvScaleOffset[2])
{
// return(EyeToSourceUVScale * flattened + EyeToSourceUVOffset);
NLMISC::CVector2f vec = NLMISC::CVector2f(texCoord.x * uvScaleOffset[0].x, texCoord.y * uvScaleOffset[0].y) + uvScaleOffset[1];
// some trial and error voodoo, sorry
vec = (vec + NLMISC::CVector2f(1, 1)) * 0.5f;
vec.y = 1.0f - vec.y;
vec.x = 1.0f - vec.x;
vec.x += 0.5f;
vec.y *= 2.0f;
vec.x = 1.0f - vec.x;
return vec;
}
static float lerp(float f0, float f1, float factor)
{
return (f1 * factor) + (f0 * (1.0f - factor));
}
CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NULL), m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_SceneTexture(NULL), m_GUITexture(NULL), m_EyePosition(0.0f, 0.09f, 0.15f), m_Scale(1.0f), m_AttachedDisplay(false)
{
nlctassert(NL_OVR_EYE_COUNT == ovrEye_Count);
if (factory->DetectId != s_DetectId)
{
nlwarning("OVR: Previous device info structures become invalid after listing devices");
return;
}
m_DebugDevice = factory->DebugDevice;
if (factory->DebugDevice) m_DevicePtr = ovrHmd_CreateDebug(factory->DebugDeviceType);
else m_DevicePtr = ovrHmd_Create(factory->DeviceIndex);
if (!m_DevicePtr)
{
nlwarning("OVR: Device not created");
return;
}
++s_DeviceCounter;
// nldebug("OVR: HScreenSize: %f, VScreenSize: %f", m_DevicePtr->HMDInfo.HScreenSize, m_DevicePtr->HMDInfo.VScreenSize); // No more support for physically non-square pixels?
// nldebug("OVR: VScreenCenter: %f", m_DevicePtr->HMDInfo.VScreenCenter);
// nldebug("OVR: EyeToScreenDistance: %f", m_DevicePtr->HMDInfo.EyeToScreenDistance);
// nldebug("OVR: LensSeparationDistance: %f", m_DevicePtr->HMDInfo.LensSeparationDistance);
// nldebug("OVR: InterpupillaryDistance: %f", m_DevicePtr->HMDInfo.InterpupillaryDistance);
nldebug("OVR: Resolution.w: %i, Resolution.h: %i", m_DevicePtr->Resolution.w, m_DevicePtr->Resolution.h);
// nldebug("OVR: DistortionK[0]: %f, DistortionK[1]: %f", m_DevicePtr->HMDInfo.DistortionK[0], m_DevicePtr->HMDInfo.DistortionK[1]);
// nldebug("OVR: DistortionK[2]: %f, DistortionK[3]: %f", m_DevicePtr->HMDInfo.DistortionK[2], m_DevicePtr->HMDInfo.DistortionK[3]);
if (!ovrHmd_ConfigureTracking(m_DevicePtr,
ovrTrackingCap_Orientation | ovrTrackingCap_MagYawCorrection, // | ovrTrackingCap_Position
ovrTrackingCap_Orientation))
{
nlwarning("OVR: Cannot configure tracking");
ovrHmd_Destroy(m_DevicePtr);
m_DevicePtr = NULL;
--s_DeviceCounter;
return;
}
float nativeWidth = m_DevicePtr->Resolution.w;
float nativeHeight = m_DevicePtr->Resolution.h;
// get render descriptions for default fov
ovrEyeRenderDesc eyeRenderDesc[ovrEye_Count];
eyeRenderDesc[ovrEye_Left] = ovrHmd_GetRenderDesc(m_DevicePtr, ovrEye_Left, m_DevicePtr->DefaultEyeFov[ovrEye_Left]);
eyeRenderDesc[ovrEye_Right] = ovrHmd_GetRenderDesc(m_DevicePtr, ovrEye_Right, m_DevicePtr->DefaultEyeFov[ovrEye_Right]);
nldebug("OVR: LEFT DistortedViewport: x: %i, y: %i, w: %i, h: %i", eyeRenderDesc[0].DistortedViewport.Pos.x, eyeRenderDesc[0].DistortedViewport.Pos.y, eyeRenderDesc[0].DistortedViewport.Size.w, eyeRenderDesc[0].DistortedViewport.Size.h);
nldebug("OVR: LEFT PixelsPerTanAngleAtCenter: x: %f, y: %f ", eyeRenderDesc[0].PixelsPerTanAngleAtCenter.x, eyeRenderDesc[0].PixelsPerTanAngleAtCenter.y);
nldebug("OVR: LEFT ViewAdjust: x: %f, y: %f, z: %f ", eyeRenderDesc[0].ViewAdjust.x, eyeRenderDesc[0].ViewAdjust.y, eyeRenderDesc[0].ViewAdjust.z);
nldebug("OVR: RIGHT DistortedViewport: x: %i, y: %i, w: %i, h: %i", eyeRenderDesc[1].DistortedViewport.Pos.x, eyeRenderDesc[1].DistortedViewport.Pos.y, eyeRenderDesc[1].DistortedViewport.Size.w, eyeRenderDesc[1].DistortedViewport.Size.h);
nldebug("OVR: RIGHT PixelsPerTanAngleAtCenter: x: %f, y: %f ", eyeRenderDesc[1].PixelsPerTanAngleAtCenter.x, eyeRenderDesc[1].PixelsPerTanAngleAtCenter.y);
nldebug("OVR: RIGHT ViewAdjust: x: %f, y: %f, z: %f ", eyeRenderDesc[1].ViewAdjust.x, eyeRenderDesc[1].ViewAdjust.y, eyeRenderDesc[1].ViewAdjust.z);
// 2014/08/04 19:54:25 DBG a60 snowballs_client.exe stereo_ovr_04.cpp 171 NL3D::CStereoOVR::CStereoOVR : OVR: Resolution.w: 1280, Resolution.h: 800
// 2014/08/04 19:54:25 DBG a60 snowballs_client.exe stereo_ovr_04.cpp 189 NL3D::CStereoOVR::CStereoOVR : OVR: LEFT DistortedViewport: x: 0, y: 0, w: 640, h: 800
// 2014/08/04 19:54:25 DBG a60 snowballs_client.exe stereo_ovr_04.cpp 190 NL3D::CStereoOVR::CStereoOVR : OVR: LEFT PixelsPerTanAngleAtCenter: x: 363.247864, y: 363.247864
// 2014/08/04 19:54:25 DBG a60 snowballs_client.exe stereo_ovr_04.cpp 191 NL3D::CStereoOVR::CStereoOVR : OVR: LEFT ViewAdjust: x: 0.031800, y: 0.000000, z: 0.000000
// 2014/08/04 19:55:46 DBG 2e18 snowballs_client.exe stereo_ovr_04.cpp 192 NL3D::CStereoOVR::CStereoOVR : OVR: RIGHT DistortedViewport: x: 640, y: 0, w: 640, h: 800
// 2014/08/04 19:55:46 DBG 2e18 snowballs_client.exe stereo_ovr_04.cpp 193 NL3D::CStereoOVR::CStereoOVR : OVR: RIGHT PixelsPerTanAngleAtCenter: x: 363.247864, y: 363.247864
// 2014/08/04 19:55:46 DBG 2e18 snowballs_client.exe stereo_ovr_04.cpp 194 NL3D::CStereoOVR::CStereoOVR : OVR: RIGHT ViewAdjust: x: -0.031868, y: 0.000000, z: 0.000000
// find out the recommended render target size
ovrSizei fovTextureSize[ovrEye_Count];
fovTextureSize[ovrEye_Left] = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Left, eyeRenderDesc[ovrEye_Left].Fov, 1.0f);
fovTextureSize[ovrEye_Right] = ovrHmd_GetFovTextureSize(m_DevicePtr, ovrEye_Right, eyeRenderDesc[ovrEye_Right].Fov, 1.0f);
m_RenderTargetWidth = fovTextureSize[ovrEye_Left].w + fovTextureSize[ovrEye_Right].w;
m_RenderTargetHeight = max(fovTextureSize[ovrEye_Left].h, fovTextureSize[ovrEye_Right].h);
nldebug("OVR: RenderTarget: w: %u, h: %u", m_RenderTargetWidth, m_RenderTargetHeight);
// 2014/08/04 20:22:03 DBG 30e4 snowballs_client.exe stereo_ovr_04.cpp 213 NL3D::CStereoOVR::CStereoOVR : OVR: RenderTarget: w: 2414, h: 1870 // That looks a bit excessive...
for (uint eye = 0; eye < ovrEye_Count; ++eye)
{
ovrFovPort &fov = eyeRenderDesc[eye].Fov;
// store data
m_EyeViewAdjustX[eye] = -eyeRenderDesc[eye].ViewAdjust.x;
// setup viewport
m_EyeViewport[eye].init(
(float)eyeRenderDesc[eye].DistortedViewport.Pos.x / nativeWidth,
(float)eyeRenderDesc[eye].DistortedViewport.Pos.y / nativeHeight,
(float)eyeRenderDesc[eye].DistortedViewport.Size.w / nativeWidth,
(float)eyeRenderDesc[eye].DistortedViewport.Size.h / nativeHeight);
nldebug("OVR: EyeViewport: x: %f, y: %f, w: %f, h: %f", m_EyeViewport[eye].getX(), m_EyeViewport[eye].getY(), m_EyeViewport[eye].getWidth(), m_EyeViewport[eye].getHeight());
ovrRecti eyeViewport;
eyeViewport.Pos.x = (eyeRenderDesc[eye].DistortedViewport.Pos.x * m_RenderTargetWidth) / m_DevicePtr->Resolution.w;
eyeViewport.Pos.y = (eyeRenderDesc[eye].DistortedViewport.Pos.y * m_RenderTargetHeight) / m_DevicePtr->Resolution.h;
eyeViewport.Size.w = (eyeRenderDesc[eye].DistortedViewport.Size.w * m_RenderTargetWidth) / m_DevicePtr->Resolution.w;
eyeViewport.Size.h = (eyeRenderDesc[eye].DistortedViewport.Size.h * m_RenderTargetHeight) / m_DevicePtr->Resolution.h;
// calculate hfov and ar
/*float combinedTanHalfFovHorizontal = max(fov.LeftTan, fov.RightTan);
float combinedTanHalfFovVertical = max(fov.UpTan, fov.DownTan);
float horizontalFullFovInRadians = 2.0f * atanf (combinedTanHalfFovHorizontal);
float aspectRatio = combinedTanHalfFovHorizontal / combinedTanHalfFovVertical;
float m_EyeHFov[NL_OVR_EYE_COUNT];
float m_EyeAR[NL_OVR_EYE_COUNT];
m_EyeHFov[eye] = horizontalFullFovInRadians;
m_EyeAR[eye] = aspectRatio;
nldebug("OVR: HFOV: %f, AR: %f", horizontalFullFovInRadians, aspectRatio);
m_EyeFrustumBase[eye].initPerspective(m_EyeHFov[eye], m_EyeAR[eye], 1.0f, 100.f);
nldebug("OVR: FOV: Left: %f, Right: %f, Down: %f, Up: %f", // DOUBLE CHECK
m_EyeFrustumBase[eye].Left, m_EyeFrustumBase[eye].Right, m_EyeFrustumBase[eye].Bottom, m_EyeFrustumBase[eye].Top);*/
m_EyeFrustumBase[eye].init(
-fov.LeftTan, // OVR provides positive values
fov.RightTan, // DEBUG: If renders shifted left and right, swap left and right
-fov.DownTan,
fov.UpTan, // DEBUG: If renders shifted up or down, swap down and up
1.0f, // dummy
100.f, // dummy
true);
nldebug("OVR: FOV: Left: %f, Right: %f, Down: %f, Up: %f",
m_EyeFrustumBase[eye].Left, m_EyeFrustumBase[eye].Right, m_EyeFrustumBase[eye].Bottom, m_EyeFrustumBase[eye].Top);
// get distortion mesh
ovrDistortionMesh meshData;
ovrHmd_CreateDistortionMesh(m_DevicePtr, (ovrEyeType)eye, fov,
ovrDistortionCap_Chromatic /*| ovrDistortionCap_TimeWarp*/ | ovrDistortionCap_Vignette, // I believe the timewarp gimmick screws with parallax
&meshData);
ovrVector2f uvScaleOffset[2];
// get parameters for programs
ovrHmd_GetRenderScaleAndOffset(fov,
fovTextureSize[eye], eyeViewport,
(ovrVector2f *)uvScaleOffset);
m_EyeUVScaleOffset[eye][0] = NLMISC::CVector2f(uvScaleOffset[0].x, uvScaleOffset[0].y);
m_EyeUVScaleOffset[eye][1] = NLMISC::CVector2f(uvScaleOffset[1].x, uvScaleOffset[1].y);
// chroma bugfix
float chromaFactor = 1.00f;
if (m_DevicePtr->Type == ovrHmd_DK2)
chromaFactor = 0.75f;
// create distortion mesh vertex buffer
m_VB[eye].setVertexFormat(CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag | CVertexBuffer::TexCoord1Flag | CVertexBuffer::TexCoord2Flag | CVertexBuffer::PrimaryColorFlag);
m_VB[eye].setPreferredMemory(CVertexBuffer::StaticPreferred, true);
m_VB[eye].setNumVertices(meshData.VertexCount);
{
CVertexBufferReadWrite vba;
m_VB[eye].lock(vba);
for (uint i = 0; i < meshData.VertexCount; ++i)
{
ovrDistortionVertex &ov = meshData.pVertexData[i];
vba.setVertexCoord(i, (ov.ScreenPosNDC.x + 1.0f) * 0.5f, (ov.ScreenPosNDC.y + 1.0f) * 0.5f, 0.5f);
NLMISC::CVector2f texR(
lerp(ov.TanEyeAnglesG.x, ov.TanEyeAnglesR.x, chromaFactor),
lerp(ov.TanEyeAnglesG.y, ov.TanEyeAnglesR.y, chromaFactor));
NLMISC::CVector2f texG(ov.TanEyeAnglesG.x, ov.TanEyeAnglesG.y);
NLMISC::CVector2f texB(
lerp(ov.TanEyeAnglesG.x, ov.TanEyeAnglesB.x, chromaFactor),
lerp(ov.TanEyeAnglesG.y, ov.TanEyeAnglesB.y, chromaFactor));
texR = toTex(texR, m_EyeUVScaleOffset[eye]);
texG = toTex(texG, m_EyeUVScaleOffset[eye]);
texB = toTex(texB, m_EyeUVScaleOffset[eye]);
vba.setTexCoord(i, 0, texR.x, texR.y);
vba.setTexCoord(i, 1, texG.x, texG.y);
vba.setTexCoord(i, 2, texB.x, texB.y);
NLMISC::CRGBA color;
color.R = color.G = color.B = (uint8)(ov.VignetteFactor * 255.99f);
color.A = 255; // (uint8)(ov.TimeWarpFactor * 255.99f);
vba.setColor(i, color);
}
}
// create distortion mesh index buffer
m_IB[eye].setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
m_IB[eye].setPreferredMemory(CIndexBuffer::StaticPreferred, true);
m_IB[eye].setNumIndexes(meshData.IndexCount);
{
CIndexBufferReadWrite iba;
m_IB[eye].lock(iba);
for (uint i = 0; i + 2 < meshData.IndexCount; i += 3)
{
nlassert(meshData.pIndexData[i] < meshData.VertexCount);
nlassert(meshData.pIndexData[i + 1] < meshData.VertexCount);
nlassert(meshData.pIndexData[i + 2] < meshData.VertexCount);
iba.setTri(i, meshData.pIndexData[i], meshData.pIndexData[i + 1], meshData.pIndexData[i + 2]);
}
}
// set tri count
m_NbTris[eye] = meshData.IndexCount / 3;
// destroy ovr distortion mesh
ovrHmd_DestroyDistortionMesh(&meshData);
}
// 2014/08/04 20:22:03 DBG 30e4 snowballs_client.exe stereo_ovr_04.cpp 222 NL3D::CStereoOVR::CStereoOVR : OVR: EyeViewport: x: 0.000000, y: 0.000000, w: 0.500000, h: 1.000000
// 2014/08/04 22:28:39 DBG 3040 snowballs_client.exe stereo_ovr_04.cpp 235 NL3D::CStereoOVR::CStereoOVR : OVR: HFOV: 2.339905, AR: 0.916641
// 2014/08/04 20:22:03 DBG 30e4 snowballs_client.exe stereo_ovr_04.cpp 222 NL3D::CStereoOVR::CStereoOVR : OVR: EyeViewport: x: 0.500000, y: 0.000000, w: 0.500000, h: 1.000000
// 2014/08/04 22:28:39 DBG 3040 snowballs_client.exe stereo_ovr_04.cpp 235 NL3D::CStereoOVR::CStereoOVR : OVR: HFOV: 2.339905, AR: 0.916641
ovrHmd_RecenterPose(m_DevicePtr);
// DEBUG EARLY EXIT
/*nldebug("OVR: Early exit");
ovrHmd_Destroy(m_DevicePtr);
m_DevicePtr = NULL;
--s_DeviceCounter;*/
}
CStereoOVR::~CStereoOVR()
{
if (m_AttachedDisplay)
{
detachFromDisplay();
}
if (!m_UnlitMat.empty())
{
m_Driver->deleteMaterial(m_UnlitMat);
}
m_Driver = NULL;
if (m_DevicePtr)
{
ovrHmd_Destroy(m_DevicePtr);
m_DevicePtr = NULL;
--s_DeviceCounter;
}
}
void CStereoOVR::setDriver(NL3D::UDriver *driver)
{
m_Driver = driver;
CDriverUser *dru = static_cast<CDriverUser *>(driver);
IDriver *drv = dru->getDriver();
m_UnlitMat = m_Driver->createMaterial();
m_UnlitMat.initUnlit();
m_UnlitMat.setColor(CRGBA::White);
m_UnlitMat.setBlend (false);
m_UnlitMat.setAlphaTest (false);
NL3D::CMaterial *unlitMat = m_UnlitMat.getObjectPtr();
unlitMat->setShader(NL3D::CMaterial::Normal);
unlitMat->setBlendFunc(CMaterial::one, CMaterial::zero);
unlitMat->setZWrite(false);
unlitMat->setZFunc(CMaterial::always);
unlitMat->setDoubleSided(true);
unlitMat->texConstantColor(0, NLMISC::CRGBA(255, 0, 0, 0));
unlitMat->texConstantColor(1, NLMISC::CRGBA(0, 255, 0, 0));
unlitMat->texConstantColor(2, NLMISC::CRGBA(0, 0, 255, 0));
m_UnlitMat.texEnvArg0RGB(0, UMaterial::Texture, UMaterial::SrcColor);
m_UnlitMat.texEnvArg1RGB(0, UMaterial::Constant, UMaterial::SrcColor);
m_UnlitMat.texEnvOpRGB(0, UMaterial::Modulate);
m_UnlitMat.texEnvArg0RGB(1, UMaterial::Texture, UMaterial::SrcColor);
m_UnlitMat.texEnvArg1RGB(1, UMaterial::Constant, UMaterial::SrcColor);
m_UnlitMat.texEnvArg2RGB(1, UMaterial::Previous, UMaterial::SrcColor);
m_UnlitMat.texEnvOpRGB(1, UMaterial::Mad);
m_UnlitMat.texEnvArg0RGB(2, UMaterial::Texture, UMaterial::SrcColor);
m_UnlitMat.texEnvArg1RGB(2, UMaterial::Constant, UMaterial::SrcColor);
m_UnlitMat.texEnvArg2RGB(2, UMaterial::Previous, UMaterial::SrcColor);
m_UnlitMat.texEnvOpRGB(2, UMaterial::Mad);
m_UnlitMat.texEnvArg0RGB(3, UMaterial::Previous, UMaterial::SrcColor);
m_UnlitMat.texEnvArg1RGB(3, UMaterial::Diffuse, UMaterial::SrcColor);
m_UnlitMat.texEnvOpRGB(3, UMaterial::Modulate);
}
bool CStereoOVR::getScreenResolution(uint &width, uint &height)
{
if (m_DevicePtr)
{
width = m_DevicePtr->Resolution.w;
height = m_DevicePtr->Resolution.h;
return true;
}
return false;
}
bool CStereoOVR::attachToDisplay()
{
nldebug("OVR: Attach to display '%s'", m_DevicePtr->DisplayDeviceName);
if (m_DebugDevice)
return false;
if (!m_AttachedDisplay)
{
m_Driver->getCurrentScreenMode(m_OriginalMode);
m_Driver->getWindowPos(m_OriginalWinPosX, m_OriginalWinPosY);
}
#if defined(NL_OS_WINDOWS)
if ((m_DevicePtr->HmdCaps & ovrHmdCap_ExtendDesktop) != ovrHmdCap_ExtendDesktop)
{
nldebug("OVR: Direct Rift");
CDriverUser *dru = static_cast<CDriverUser *>(m_Driver);
IDriver *drv = dru->getDriver();
m_AttachedDisplay = ovrHmd_AttachToWindow(m_DevicePtr, (void *)drv->getDisplay(), NULL, NULL);
if (!m_AttachedDisplay)
nlwarning("OVR: Direct Rift failed!");
}
else
#endif
{
nldebug("OVR: Extended Rift");
UDriver::CMode mode;
mode.DisplayDevice = m_DevicePtr->DisplayDeviceName;
mode.Windowed = false;
mode.Width = m_DevicePtr->Resolution.w;
mode.Height = m_DevicePtr->Resolution.h;
m_Driver->setMode(mode);
m_AttachedDisplay = true;
}
return m_AttachedDisplay;
}
void CStereoOVR::detachFromDisplay()
{
/*if (!m_OriginalMode.Windowed)
{
m_OriginalMode.Windowed = true;
m_Driver->setMode(m_OriginalMode);
m_OriginalMode.Windowed = false;
}*/
m_Driver->setMode(m_OriginalMode);
m_Driver->setWindowPos(m_OriginalWinPosX, m_OriginalWinPosY);
m_AttachedDisplay = false;
}
void CStereoOVR::initCamera(uint cid, const NL3D::UCamera *camera)
{
m_OriginalFrustum[cid] = camera->getFrustum();
/*m_LeftFrustum[cid] = m_OriginalFrustum[cid];
m_RightFrustum[cid] = m_OriginalFrustum[cid];
m_ClippingFrustum[cid] = m_OriginalFrustum[cid];
return;*/
m_LeftFrustum[cid].init(
m_EyeFrustumBase[ovrEye_Left].Left * camera->getFrustum().Near,
m_EyeFrustumBase[ovrEye_Left].Right * camera->getFrustum().Near,
m_EyeFrustumBase[ovrEye_Left].Bottom * camera->getFrustum().Near,
m_EyeFrustumBase[ovrEye_Left].Top * camera->getFrustum().Near,
camera->getFrustum().Near,
camera->getFrustum().Far,
true);
m_RightFrustum[cid].init(
m_EyeFrustumBase[ovrEye_Right].Left * camera->getFrustum().Near,
m_EyeFrustumBase[ovrEye_Right].Right * camera->getFrustum().Near,
m_EyeFrustumBase[ovrEye_Right].Bottom * camera->getFrustum().Near,
m_EyeFrustumBase[ovrEye_Right].Top * camera->getFrustum().Near,
camera->getFrustum().Near,
camera->getFrustum().Far,
true);
m_ClippingFrustum[cid].init(
min(m_EyeFrustumBase[ovrEye_Left].Left, m_EyeFrustumBase[ovrEye_Right].Left) * camera->getFrustum().Near,
max(m_EyeFrustumBase[ovrEye_Left].Right, m_EyeFrustumBase[ovrEye_Right].Right) * camera->getFrustum().Near,
min(m_EyeFrustumBase[ovrEye_Left].Bottom, m_EyeFrustumBase[ovrEye_Right].Bottom) * camera->getFrustum().Near,
max(m_EyeFrustumBase[ovrEye_Left].Top, m_EyeFrustumBase[ovrEye_Right].Top) * camera->getFrustum().Near,
camera->getFrustum().Near,
camera->getFrustum().Far,
true);
}
/// Get the frustum to use for clipping
void CStereoOVR::getClippingFrustum(uint cid, NL3D::UCamera *camera) const
{
camera->setFrustum(m_ClippingFrustum[cid]);
}
/// Get the original frustum of the camera
void CStereoOVR::getOriginalFrustum(uint cid, NL3D::UCamera *camera) const
{
camera->setFrustum(m_OriginalFrustum[cid]);
}
void CStereoOVR::updateCamera(uint cid, const NL3D::UCamera *camera)
{
if (camera->getFrustum().Near != m_LeftFrustum[cid].Near
|| camera->getFrustum().Far != m_LeftFrustum[cid].Far)
CStereoOVR::initCamera(cid, camera);
m_CameraMatrix[cid] = camera->getMatrix();
}
bool CStereoOVR::nextPass()
{
if (m_Driver->getPolygonMode() == UDriver::Filled)
{
switch (m_Stage) // Previous stage
{
case 0:
m_Stage += 2;
m_SubStage = 0;
// stage 2:
// draw interface 2d (onto render target)
return true;
case 2:
++m_Stage;
m_SubStage = 0;
// stage 3:
// (initBloom)
// clear buffer
// draw scene left
return true;
case 3:
++m_Stage;
m_SubStage = 0;
// stage 4:
// draw scene right
return true;
case 4:
++m_Stage;
m_SubStage = 0;
// stage 5:
// (endBloom)
// draw interface 3d left
return true;
case 5:
++m_Stage;
m_SubStage = 0;
// stage 6:
// draw interface 3d right
return true;
/*case 6:
++m_Stage;
m_SubStage = 0;
// stage 7:
// (endInterfacesDisplayBloom)
// draw interface 2d left
return true;
case 7:
++m_Stage;
m_SubStage = 0;
// stage 8:
// draw interface 2d right
return true;*/
case 6:
m_Stage = 0;
m_SubStage = 0;
// present
m_OrientationCached = false;
return false;
}
}
else
{
switch (m_Stage)
{
case 0:
++m_Stage;
m_SubStage = 0;
return true;
case 1:
m_Stage = 0;
m_SubStage = 0;
return false;
}
}
nlerror("Invalid stage");
m_Stage = 0;
m_SubStage = 0;
m_OrientationCached = false;
return false;
}
const NL3D::CViewport &CStereoOVR::getCurrentViewport() const
{
if (m_Stage == 2) return m_RegularViewport;
else if (m_Stage % 2) return m_EyeViewport[ovrEye_Left];
else return m_EyeViewport[ovrEye_Right];
}
const NL3D::CFrustum &CStereoOVR::getCurrentFrustum(uint cid) const
{
if (m_Stage == 2) return m_OriginalFrustum[cid];
else if (m_Stage % 2) return m_LeftFrustum[cid];
else return m_RightFrustum[cid];
}
void CStereoOVR::getCurrentFrustum(uint cid, NL3D::UCamera *camera) const
{
if (m_Stage == 2) camera->setFrustum(m_OriginalFrustum[cid]);
else if (m_Stage % 2) camera->setFrustum(m_LeftFrustum[cid]);
else camera->setFrustum(m_RightFrustum[cid]);
}
void CStereoOVR::getCurrentMatrix(uint cid, NL3D::UCamera *camera) const
{
CMatrix translate;
if (m_Stage == 2) { }
else if (m_Stage % 2) translate.translate(CVector(m_EyeViewAdjustX[ovrEye_Left] * m_Scale, 0.f, 0.f)); // ok
else translate.translate(CVector(m_EyeViewAdjustX[ovrEye_Right] * m_Scale, 0.f, 0.f)); // ok
CMatrix mat = m_CameraMatrix[cid] * translate;
if (camera->getTransformMode() == NL3D::UTransformable::RotQuat)
{
camera->setPos(mat.getPos());
camera->setRotQuat(mat.getRot());
}
else
{
// camera->setTransformMode(NL3D::UTransformable::DirectMatrix);
camera->setMatrix(mat);
}
}
bool CStereoOVR::wantClear()
{
switch (m_Stage)
{
case 3:
m_SubStage = 1;
return true;
}
return m_Driver->getPolygonMode() != UDriver::Filled;
}
bool CStereoOVR::wantScene()
{
switch (m_Stage)
{
case 3:
case 4:
m_SubStage = 2;
return true;
}
return m_Driver->getPolygonMode() != UDriver::Filled;
}
bool CStereoOVR::wantSceneEffects()
{
switch (m_Stage)
{
case 4:
return true;
}
return m_Driver->getPolygonMode() != UDriver::Filled;
}
bool CStereoOVR::wantInterface3D()
{
switch (m_Stage)
{
case 5:
case 6:
m_SubStage = 3;
return true;
}
return m_Driver->getPolygonMode() != UDriver::Filled;
}
bool CStereoOVR::wantInterface2D()
{
switch (m_Stage)
{
case 2:
m_SubStage = 4;
return true;
}
return m_Driver->getPolygonMode() != UDriver::Filled;
}
bool CStereoOVR::isSceneFirst()
{
switch (m_Stage)
{
case 3:
return true;
case 4:
return false;
}
return m_Driver->getPolygonMode() != UDriver::Filled;
}
bool CStereoOVR::isSceneLast()
{
switch (m_Stage)
{
case 3:
return false;
case 4:
return true;
}
return m_Driver->getPolygonMode() != UDriver::Filled;
}
/// Returns non-NULL if a new render target was set
bool CStereoOVR::beginRenderTarget()
{
// render target always set before driver clear
// nlassert(m_SubStage <= 1);
// Set GUI render target
if (m_Driver && m_Stage == 2 && (m_Driver->getPolygonMode() == UDriver::Filled))
{
nlassert(!m_GUITexture);
uint32 width, height;
m_Driver->getWindowSize(width, height);
m_GUITexture = m_Driver->getRenderTargetManager().getRenderTarget(width, height, true, UTexture::RGBA8888);
static_cast<CDriverUser *>(m_Driver)->setRenderTarget(*m_GUITexture);
m_Driver->clearBuffers(NLMISC::CRGBA(0, 0, 0, 0));
return true;
}
// Begin 3D scene render target
if (m_Driver && m_Stage == 3 && (m_Driver->getPolygonMode() == UDriver::Filled))
{
nlassert(!m_SceneTexture);
m_SceneTexture = m_Driver->getRenderTargetManager().getRenderTarget(m_RenderTargetWidth, m_RenderTargetHeight);
static_cast<CDriverUser *>(m_Driver)->setRenderTarget(*m_SceneTexture);
return true;
/*nldebug("OVR: Begin render target");*/
//m_Driver->beginDefaultRenderTarget(m_RenderTargetWidth, m_RenderTargetHeight); // DEBUG
//return true;
}
return false;
}
void CStereoOVR::setInterfaceMatrix(const NL3D::CMatrix &matrix)
{
m_InterfaceCameraMatrix = matrix;
}
void CStereoOVR::renderGUI()
{
m_Driver->setModelMatrix(m_InterfaceCameraMatrix);
/*
{
NLMISC::CLine line(NLMISC::CVector(0, 5, 2), NLMISC::CVector(0, 5, 3));
NL3D::UMaterial mat = m_Driver->createMaterial();
mat.setZWrite(false);
// mat.setZFunc(UMaterial::always); // Not nice!
mat.setDoubleSided(true);
mat.setColor(NLMISC::CRGBA::Red);
mat.setBlend(false);
m_Driver->drawLine(line, mat);
m_Driver->deleteMaterial(mat);
}
{
NL3D::UMaterial mat = m_Driver->createMaterial();
mat.setZWrite(false);
mat.setZFunc(UMaterial::always); // Not nice!
mat.setDoubleSided(true);
mat.setBlend(false);
NLMISC::CLine line;
mat.setColor(NLMISC::CRGBA::Red);
line = NLMISC::CLine(NLMISC::CVector(0, 3, -3), NLMISC::CVector(0, 3, 3)); // YPos
m_Driver->drawLine(line, mat);
mat.setColor(NLMISC::CRGBA::Green);
line = NLMISC::CLine(NLMISC::CVector(3, 0, -3), NLMISC::CVector(3, 0, 3)); // XPos
m_Driver->drawLine(line, mat);
mat.setColor(NLMISC::CRGBA::Magenta);
line = NLMISC::CLine(NLMISC::CVector(0, -3, -3), NLMISC::CVector(0, -3, 3)); // YNeg
m_Driver->drawLine(line, mat);
mat.setColor(NLMISC::CRGBA::Cyan);
line = NLMISC::CLine(NLMISC::CVector(-3, 0, -3), NLMISC::CVector(-3, 0, 3)); // XNeg
m_Driver->drawLine(line, mat);
mat.setColor(NLMISC::CRGBA::Blue);
line = NLMISC::CLine(NLMISC::CVector(0, -3, 3), NLMISC::CVector(0, 3, 3)); // ZPos
m_Driver->drawLine(line, mat);
mat.setColor(NLMISC::CRGBA::Blue);
line = NLMISC::CLine(NLMISC::CVector(0, -3, -3), NLMISC::CVector(0, 3, -3)); // ZNeg
m_Driver->drawLine(line, mat);
m_Driver->deleteMaterial(mat);
}
*/
{
nlassert(m_GUITexture);
NLMISC::CQuadUV quad;
NL3D::UMaterial umat = m_Driver->createMaterial();
umat.initUnlit();
umat.setColor(NLMISC::CRGBA::White);
umat.setDoubleSided(true);
umat.setBlend(true);
umat.setAlphaTest(false);
NL3D::CMaterial *mat = umat.getObjectPtr();
mat->setShader(NL3D::CMaterial::Normal);
mat->setBlendFunc(CMaterial::one, CMaterial::invsrcalpha);
mat->setZWrite(false);
// mat->setZFunc(CMaterial::always); // Not nice
mat->setDoubleSided(true);
mat->setTexture(0, m_GUITexture->getITexture());
// user options
float scale = 1.0f;
float distance = 1.5f;
float offcenter = 0.75f;
float height = scale * distance * 2.0f;
uint32 winw, winh;
m_Driver->getWindowSize(winw, winh);
float width = height * (float)winw / (float)winh;
float bottom = -(height * 0.5f);
float top = (height * 0.5f);
NLMISC::CQuadUV quadUV;
quadUV.V0 = CVector(-(width * 0.5f), distance, -(height * 0.5f));
quadUV.V1 = CVector((width * 0.5f), distance, -(height * 0.5f));
quadUV.V2 = CVector((width * 0.5f), distance, (height * 0.5f));
quadUV.V3 = CVector(-(width * 0.5f), distance, (height * 0.5f));
quadUV.Uv0 = CUV(0.f, 0.f);
quadUV.Uv1 = CUV(1.f, 0.f);
quadUV.Uv2 = CUV(1.f, 1.f);
quadUV.Uv3 = CUV(0.f, 1.f);
const uint nbQuads = 128;
static CVertexBuffer vb;
static CIndexBuffer ib;
vb.setVertexFormat(CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag);
vb.setPreferredMemory(CVertexBuffer::RAMVolatile, false);
vb.setNumVertices((nbQuads + 1) * 2);
{
CVertexBufferReadWrite vba;
vb.lock(vba);
float radius = distance + offcenter;
float relWidth = width / radius;
float quadWidth = relWidth / (float)nbQuads;
for (uint i = 0; i < nbQuads + 1; ++i)
{
uint vi0 = i * 2;
uint vi1 = vi0 + 1;
float lineH = -(relWidth * 0.5f) + quadWidth * (float)i;
float lineUV = (float)i / (float)(nbQuads);
float left = sin(lineH) * radius;
float forward = cos(lineH) * radius;
vba.setVertexCoord(vi0, left, forward - offcenter, bottom);
vba.setTexCoord(vi0, 0, lineUV, 0.0f);
vba.setVertexCoord(vi1, left, forward - offcenter, top);
vba.setTexCoord(vi1, 0, lineUV, 1.0f);
}
}
ib.setFormat(NL_DEFAULT_INDEX_BUFFER_FORMAT);
ib.setPreferredMemory(CIndexBuffer::RAMVolatile, false);
ib.setNumIndexes(nbQuads * 6);
{
CIndexBufferReadWrite iba;
ib.lock(iba);
for (uint i = 0; i < nbQuads; ++i)
{
uint ti0 = i * 2;
uint ti1 = ti0 + 1;
uint bl = ti0;
uint tl = ti0 + 1;
uint br = ti0 + 2;
uint tr = ti0 + 3;
iba.setTri(ti0 * 3, bl, tl, br);
iba.setTri(ti1 * 3, br, tl, tr);
}
}
IDriver *driver = static_cast<CDriverUser *>(m_Driver)->getDriver();
// m_Driver->setPolygonMode(UDriver::Line);
driver->activeVertexBuffer(vb);
driver->activeIndexBuffer(ib);
driver->renderTriangles(*umat.getObjectPtr(), 0, nbQuads * 2); //renderRawQuads(umat, 0, 128);
// m_Driver->setPolygonMode(UDriver::Filled);
// m_Driver->drawQuad(quadUV, umat);
m_Driver->deleteMaterial(umat);
/*{
// nldebug("Render GUI lines");
NL3D::UMaterial rmat = m_Driver->createMaterial();
rmat.setZWrite(false);
rmat.setZFunc(UMaterial::always); // Not nice!
rmat.setDoubleSided(true);
rmat.setColor(NLMISC::CRGBA::Red);
rmat.setBlend(false);
m_Driver->setPolygonMode(UDriver::Line);
driver->activeVertexBuffer(vb);
driver->activeIndexBuffer(ib);
driver->renderTriangles(*rmat.getObjectPtr(), 0, nbQuads * 2);
m_Driver->setPolygonMode(UDriver::Filled);
m_Driver->deleteMaterial(rmat);
}*/
}
}
/// Returns true if a render target was fully drawn
bool CStereoOVR::endRenderTarget()
{
// after rendering of course
// nlassert(m_SubStage > 1);
// End GUI render target
if (m_Driver && m_Stage == 2 && (m_Driver->getPolygonMode() == UDriver::Filled))
{
// End GUI render target
nlassert(m_GUITexture);
CTextureUser texNull;
(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(texNull);
}
// End of 3D Interface pass left
if (m_Driver && m_Stage == 5 && (m_Driver->getPolygonMode() == UDriver::Filled))
{
// Render 2D GUI in 3D space, assume existing camera is OK
renderGUI();
}
// End of 3D Interface pass right
if (m_Driver && m_Stage == 6 && (m_Driver->getPolygonMode() == UDriver::Filled))
{
// Render 2D GUI in 3D space, assume existing camera is OK
renderGUI();
// Recycle render target
m_Driver->getRenderTargetManager().recycleRenderTarget(m_GUITexture);
m_GUITexture = NULL;
}
// End 3D scene render target
if (m_Driver && m_Stage == 6 && (m_Driver->getPolygonMode() == UDriver::Filled))
{
nlassert(m_SceneTexture);
//nldebug("OVR: End render target");
// m_Driver->endDefaultRenderTarget(NULL); // DEBUG
// end render target
CTextureUser texNull;
(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(texNull);
// backup
bool fogEnabled = m_Driver->fogEnabled();
m_Driver->enableFog(false);
// must clear everything to black (can we get a mesh to only handle the parts outside of the distortion mesh?)
m_Driver->clearRGBABuffer(CRGBA(0, 0, 0, 255));
CDriverUser *dru = static_cast<CDriverUser *>(m_Driver);
IDriver *drv = dru->getDriver();
// set matrix mode
CViewport vp;
m_Driver->setViewport(vp);
m_Driver->setMatrixMode2D11();
for (uint eye = 0; eye < ovrEye_Count; ++eye)
{
CMaterial *mat = m_UnlitMat.getObjectPtr();
mat->setTexture(0, m_SceneTexture->getITexture());
mat->setTexture(1, m_SceneTexture->getITexture());
mat->setTexture(2, m_SceneTexture->getITexture());
mat->setTexture(3, m_SceneTexture->getITexture());
//m_Driver->setPolygonMode(UDriver::Line);
drv->activeVertexBuffer(m_VB[eye]);
drv->activeIndexBuffer(m_IB[eye]);
drv->renderTriangles(*mat, 0, m_NbTris[eye]);
//m_Driver->setPolygonMode(UDriver::Filled);
mat->setTexture(0, NULL);
mat->setTexture(1, NULL);
mat->setTexture(2, NULL);
mat->setTexture(3, NULL);
}
// restore
m_Driver->enableFog(fogEnabled);
// recycle render target
m_Driver->getRenderTargetManager().recycleRenderTarget(m_SceneTexture);
m_SceneTexture = NULL;
return true;
}
/*if (m_Driver && m_Stage == 6 && (m_Driver->getPolygonMode() == UDriver::Filled)) // set to 4 to turn off distortion of 2d gui
{
nlassert(m_SceneTexture);
CTextureUser texNull;
(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(texNull);
bool fogEnabled = m_Driver->fogEnabled();
m_Driver->enableFog(false);
m_Driver->setMatrixMode2D11();
CViewport vp = CViewport();
m_Driver->setViewport(vp);
uint32 width, height;
m_Driver->getWindowSize(width, height);
NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(m_Driver))->getDriver();
NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
barrelMat->setTexture(0, m_SceneTexture->getITexture());
drvInternal->activePixelProgram(m_PixelProgram);
float w = float(m_BarrelQuadLeft.V1.x),// / float(width),
h = float(m_BarrelQuadLeft.V2.y),// / float(height),
x = float(m_BarrelQuadLeft.V0.x),/// / float(width),
y = float(m_BarrelQuadLeft.V0.y);// / float(height);
float lensOffset = m_DevicePtr->HMDInfo.LensSeparationDistance * 0.5f;
float lensShift = m_DevicePtr->HMDInfo.HScreenSize * 0.25f - lensOffset;
float lensViewportShift = 4.0f * lensShift / m_DevicePtr->HMDInfo.HScreenSize;
float lensCenterX = x + (w + lensViewportShift * 0.5f) * 0.5f;
float lensCenterY = y + h * 0.5f;
float screenCenterX = x + w * 0.5f;
float screenCenterY = y + h * 0.5f;
float scaleX = (w / 2);
float scaleY = (h / 2);
float scaleInX = (2 / w);
float scaleInY = (2 / h);
drvInternal->setUniform2f(IDriver::PixelProgram,
m_PixelProgram->ovrIndices().LensCenter,
lensCenterX, lensCenterY);
drvInternal->setUniform2f(IDriver::PixelProgram,
m_PixelProgram->ovrIndices().ScreenCenter,
screenCenterX, screenCenterY);
drvInternal->setUniform2f(IDriver::PixelProgram,
m_PixelProgram->ovrIndices().Scale,
scaleX, scaleY);
drvInternal->setUniform2f(IDriver::PixelProgram,
m_PixelProgram->ovrIndices().ScaleIn,
scaleInX, scaleInY);
drvInternal->setUniform4fv(IDriver::PixelProgram,
m_PixelProgram->ovrIndices().HmdWarpParam,
1, m_DevicePtr->HMDInfo.DistortionK);
m_Driver->drawQuad(m_BarrelQuadLeft, m_BarrelMat);
x = w;
lensCenterX = x + (w - lensViewportShift * 0.5f) * 0.5f;
screenCenterX = x + w * 0.5f;
drvInternal->setUniform2f(IDriver::PixelProgram,
m_PixelProgram->ovrIndices().LensCenter,
lensCenterX, lensCenterY);
drvInternal->setUniform2f(IDriver::PixelProgram,
m_PixelProgram->ovrIndices().ScreenCenter,
screenCenterX, screenCenterY);
m_Driver->drawQuad(m_BarrelQuadRight, m_BarrelMat);
drvInternal->activePixelProgram(NULL);
m_Driver->enableFog(fogEnabled);
// Recycle render target
m_Driver->getRenderTargetManager().recycleRenderTarget(m_SceneTexture);
m_SceneTexture = NULL;
return true;
}*/
return false;
}
NLMISC::CQuat CStereoOVR::getOrientation() const
{
// broken
/*NLMISC::CQuat quat;
quat.identity();
return quat;*/
if (m_OrientationCached)
return m_OrientationCache;
ovrTrackingState ts = ovrHmd_GetTrackingState(m_DevicePtr, ovr_GetTimeInSeconds()); // TODO: Predict forward
if (ts.StatusFlags & ovrStatus_OrientationTracked)
{
// get just the orientation
ovrQuatf quatovr = ts.HeadPose.ThePose.Orientation;
NLMISC::CMatrix coordsys;
float csys[] = {
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, -1.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f,
};
coordsys.set(csys);
NLMISC::CMatrix matovr;
matovr.setRot(NLMISC::CQuat(quatovr.x, quatovr.y, quatovr.z, quatovr.w));
NLMISC::CMatrix matr;
// matr.rotateZ(NLMISC::Pi); // uncomment when backwards ...
matr.rotateX(NLMISC::Pi * 0.5f); // fix this properly... :) (note: removing this allows you to use rift while lying down)
NLMISC::CMatrix matnel = matr * matovr * coordsys;
NLMISC::CQuat finalquat = matnel.getRot();
m_OrientationCache = finalquat;
m_OrientationCached = true;
return finalquat;
}
else
{
if (!m_DebugDevice)
nlwarning("OVR: No orientation returned");
// return old orientation
m_OrientationCached = true;
return m_OrientationCache;
}
}
/// Get GUI shift
void CStereoOVR::getInterface2DShift(uint cid, float &x, float &y, float distance) const
{
}
void CStereoOVR::setEyePosition(const NLMISC::CVector &v)
{
m_EyePosition = v;
}
const NLMISC::CVector &CStereoOVR::getEyePosition() const
{
return m_EyePosition;
}
void CStereoOVR::setScale(float s)
{
m_EyePosition = m_EyePosition * (s / m_Scale);
m_Scale = s;
}
void CStereoOVR::listDevices(std::vector<CStereoDeviceInfo> &devicesOut)
{
if (!s_StereoOVRSystem.Init())
return;
++s_DetectId;
uint hmdDetect = ovrHmd_Detect();
nldebug("OVR: Detected %u HMDs", hmdDetect);
for (uint i = 0; i < hmdDetect; ++i)
{
devicesOut.resize(devicesOut.size() + 1);
CStereoDeviceInfo &deviceInfoOut = devicesOut[devicesOut.size() - 1];
ovrHmd hmd = ovrHmd_Create(i);
CStereoOVRDeviceFactory *factory = new CStereoOVRDeviceFactory();
factory->DetectId = s_DetectId;
factory->DeviceIndex = i;
factory->DebugDevice = false;
deviceInfoOut.Factory = factory;
deviceInfoOut.Class = CStereoDeviceInfo::StereoHMD;
deviceInfoOut.Library = CStereoDeviceInfo::OVR;
deviceInfoOut.Manufacturer = hmd->Manufacturer;
deviceInfoOut.ProductName = hmd->ProductName;
deviceInfoOut.AllowAuto = true;
deviceInfoOut.Serial = hmd->SerialNumber;
ovrHmd_Destroy(hmd);
}
#if !FINAL_VERSION
// Debug DK1
{
devicesOut.resize(devicesOut.size() + 1);
CStereoDeviceInfo &deviceInfoOut = devicesOut[devicesOut.size() - 1];
ovrHmd hmd = ovrHmd_CreateDebug(ovrHmd_DK1);
CStereoOVRDeviceFactory *factory = new CStereoOVRDeviceFactory();
factory->DetectId = s_DetectId;
factory->DebugDevice = true;
factory->DebugDeviceType = ovrHmd_DK1;
deviceInfoOut.Factory = factory;
deviceInfoOut.Class = CStereoDeviceInfo::StereoHMD;
deviceInfoOut.Library = CStereoDeviceInfo::OVR;
deviceInfoOut.Manufacturer = hmd->Manufacturer;
deviceInfoOut.ProductName = hmd->ProductName;
deviceInfoOut.AllowAuto = false;
deviceInfoOut.Serial = "OVR-DK1-DEBUG";
ovrHmd_Destroy(hmd);
}
// Debug DK2
{
devicesOut.resize(devicesOut.size() + 1);
CStereoDeviceInfo &deviceInfoOut = devicesOut[devicesOut.size() - 1];
ovrHmd hmd = ovrHmd_CreateDebug(ovrHmd_DK2);
CStereoOVRDeviceFactory *factory = new CStereoOVRDeviceFactory();
factory->DetectId = s_DetectId;
factory->DebugDevice = true;
factory->DebugDeviceType = ovrHmd_DK2;
deviceInfoOut.Factory = factory;
deviceInfoOut.Class = CStereoDeviceInfo::StereoHMD;
deviceInfoOut.Library = CStereoDeviceInfo::OVR;
deviceInfoOut.Manufacturer = hmd->Manufacturer;
deviceInfoOut.ProductName = hmd->ProductName;
deviceInfoOut.AllowAuto = false;
deviceInfoOut.Serial = "OVR-DK2-DEBUG";
ovrHmd_Destroy(hmd);
}
#endif
}
bool CStereoOVR::isLibraryInUse()
{
nlassert(s_DeviceCounter >= 0);
return s_DeviceCounter > 0;
}
void CStereoOVR::releaseLibrary()
{
nlassert(s_DeviceCounter == 0);
s_StereoOVRSystem.Release();
}
bool CStereoOVR::isDeviceCreated()
{
return m_DevicePtr != NULL;
}
} /* namespace NL3D */
#endif /* HAVE_LIBOVR */
/* end of file */
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